| 摘要 |
PROBLEM TO BE SOLVED: To smoothly perform ball supply or ball circulation by adjusting and controlling the inclination angle of a complementary trough. SOLUTION: A CPU 1200 finds a total number of out balls discharged from an out hole 114 of each of game machines 3000a-3000h and a vertical movement control mechanism 2300 is driven and controlled into an inclination angle corresponding to this total number of out balls. Therefore, with increase in the total number of out balls, complementing and circulating speeds are accelerated so that smooth ball complementing operation can be performed.
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